Adopting the RP2040 microcontroller chip designed by Dual-core ARM MO+ processor, running at up to 133MHz flexible clockBuilt-in 264KB of SRAM and 4MB of on-chip Flash.True stamp hole design allows direct solder integration into -designed backplanes,USB1.1 and device support.Product FeaturesLow power sleep and hibernation modes supportedDrag-and-drop download for storage via USB recognition29 GPIO pins of RP2040 (20 pins can be pinned out via pins, the rest can be soldered out only)SPI*2, I2C*2, UART*2, 12-bit *4, PWM*16Precise on-chip clock and timerTemperature sensorOn-chip accelerated floating point library8 programmable I/O (PIO) state machines for custom peripheral supportsize: 25.5 x 18mm: PCBcolour: bluePackage Contents:1 x RP2040 Development BoardOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.